Colloquia

Colloquium
Friday, October 14, 2011
4:00 PM
Physics Building, Room 204
Note special time.

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"Antihydrogen Trapped"


Francis Robicheaux , Auburn University
[Host: Bob Jones]
ABSTRACT:
Atoms made of a particle and an antiparticle are unstable, usually surviving less than a microsecond. Antihydrogen, the bound state of an antiproton and a positron, is made entirely of antiparticles and is believed to be stable. It is this longevity that holds the promise of precision studies of matter-antimatter symmetry. Low energy (Kelvin scale) antihydrogen has been produced at CERN since 2002. I will describe the experiment which has recently succeeded in trapping antihydrogen in a cryogenic Penning trap for times up to approximately 15 minutes.
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